Dapunia Union (Bengali: দাপুনিয়া ইউনিয়ন) is a union parishad in Mymensingh Sadar Upazila of Mymensingh District, in Mymensingh Division, Bangladesh. It has an area of 7268 acres.

Demographics

As of the 2001 census, the union had a population of 41,690.